.after:after {
    content: "";
    display: block;
    clear: both;
}

.banner {
    width: 100%;
    max-width: 1920px;
    height: 780px;
    background: url("../img/bg.png");
    background-position: top center;
    background-repeat: no-repeat;
    background-size: cover;
}

.header {
    background: rgba(0, 0, 0, 0.07);
    width:  100%;
    height: 80px;
    line-height: 80px;
}

.nav {
    width: 1200px;
    height: 80px;
    margin: 0 auto;
    position: relative;
}

.nav img {
    vertical-align: middle;
    position: relative;
    top: -5px;
}
.nav_ul{
    float: right;
}
.hoverm{
    position: absolute;
    top: 0px;
    right: 43px;
    background: rgba(0,0,0,0.5);
    width:193px;
    height:245px;
    text-align: center;
    display: none;
}
.hoverm_nav_li{
    font-size:18px;
    color:#ffffff;
    letter-spacing:0;
    text-align:center;
    line-height: 80px;
}
.hoverm_nav_li img{
    position: relative;
    top: -3px;
    /*left: 5px;*/
}
.hover_img{
    width:120px;
    height:120px;
}
.hoverm p{
    font-size:16px;
    color:#ffffff;
    letter-spacing:0;
    text-align:center;
    line-height: 30px;
}
.nav_li{
    float: left;
    font-size:18px;
    color:#ffffff;
    letter-spacing:0;
    text-align:center;
    line-height: 80px;
    margin-right: 80px;
    cursor: pointer;
}
.nav_li img{
    position: relative;
    top: -3px;
    /*left: 5px;*/
}
.nav_li a{
    color:#ffffff;
}
#down:hover .hoverm{
    display: inline-block;
}
.banner_con {
    width: 1200px;
    height: 700px;
    margin: 0 auto;
}

.banner_con_left {
    width: 600px;
    float: left;
    position: relative;
}

.banner_con_right {
    width: 600px;
    float: right;
    padding-left: 80px;
    padding-top: 176px;
}

.banner1 {
    position: absolute;
    top: 120px;
    left: 75px;
}

.banner2 {
    position: absolute;
    top: 95px;
    left: 260px;
}

.banner_con_first {
    height: 88px;
}

.small_logo, .small_logo1 {
    float: left;
}

.font {
    margin-left: 36px;
    float: left;
}

.font_first {
    font-size: 22px;
    color: #ffffff;
    letter-spacing: 1.09px;
    text-align: left;
    line-height: 30px;
    margin-top: 15px;
}

.font_sen {
    font-size: 14px;
    color: #ffffff;
    letter-spacing: 0.69px;
    text-align: left;
    line-height: 30px;
}

.small_logo1 {
    width: 63px;
    margin-top: 15px;
}

.banner_hint {
    font-size: 50px;
    color: #ffffff;
    letter-spacing: 0px;
    text-align: left;
    margin-top: 43px;
}

.banner_down {
    width: 390px;
    display: block;
    margin-top: 69px;
    text-align: center;
}
/*content*/
.content{
    width: 1200px;
    margin: 0 auto;
    padding-top: 72px;
}
.game_li{
    width: 600px;
    height: 690px;
    float: left;
    border-right: 1px solid #dbdbdb;
}
.game_title{
    font-size:24px;
    color:#000000;
    letter-spacing:0px;
    text-align:left;
}
.game_hint_font{
    font-size:16px;
    color:#666666;
    letter-spacing:0px;
    text-align:left;
    margin-top: 15px;
}
.game_hint{
    font-size:18px;
    color:#666666;
    letter-spacing:0px;
    line-height:35px;
    text-align:left;
    margin-top: 15px;
}
.game_img{
    margin-top: 20px;
}
.game_item{
    width: 560px;
    margin-top: 20px;
}
.item_img{
    float: left;
    margin-right: 13px;
}
.game_item_font{
    width: 335px;
    float: left;
    /*margin-left: 13px;*/
}
.item_title{
    font-size:20px;
    color:#000000;
    letter-spacing:0px;
    text-align:left;
    position: relative;
}
.item_title a{
    color: #000000;
}
.item_tit{
    font-size:16px;
    color:#666666;
    letter-spacing:0px;
    text-align:left;
}
.down_btn{
    background:#4d80ff;
    border-radius:6px;
    width:110px;
    height:42px;
    line-height: 42px;
    font-size:18px;
    color:#ffffff;
    letter-spacing:0px;
    text-align:center;
    float: right;
    margin-top: 10px;
}
.right_padding{
    padding-left: 40px;
    border: 0px;
}
.big_game_li{
    width: 1200px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid #dbdbdb;
}
.bottom{
    padding-top: 0px;
    margin-top: 27.6px;
    border-top: 1px solid #dbdbdb;
}
.bottom .game_title{
    margin-top: 35px;
}
.h_40{
    height: 40px;
}